The CARLO GAVAZZI RSE4012-B is a 3-phase soft starter with 12A current rating, designed for motor control applications. It operates at 230/400 VAC RMS (50/60 Hz) with control voltage options of 24-110 VAC/DC or 110-480 VAC, supporting motors up to 5.5 kW. The compact DIN rail mount design ensures easy installation in industrial control panels.